20xx春牛津譯林版英語八下unit1pastandpresentwelcometotheunitppt精品課件-在線瀏覽
2025-02-09 21:24本頁面
【正文】 school ... ... A: Why didn39。t you... ...? B: ... ... A: ... ... you seen my food? 解析：此句時態(tài)是現(xiàn)在完成時疑問形式。它的要義在于表達過去已經(jīng)發(fā)生的事情對現(xiàn)在造成的某種影響，或者，強調過去發(fā)生的事情一直持續(xù)到現(xiàn)在的狀態(tài)。 Language points For example: A: Have you studied English for ten years? B: Yes, I have. And you? A: No, I haven’t. B: Then how many years have you learnt English? A:I have learnt it for eight years. ★ haven’t = have not hasn’t = has not I’ve = I have You’ve = You have 2. I39。 just adv. 意為“剛才” 常與完成時連用 。 They have just arrived. 注意： just now 意為“剛才”，相當于“ a moment ago”通常與一般過去時連用。 I went to the library
教學課件相關推薦
鄂ICP備17016276號-1